Unknown
Internet Protocol version 4
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Network Layer — Other
Protocol Overview
Full Name
Internet Protocol version 4
Abbreviation
IPv4
OSI Layer
Network Layer
Category
Other
RFC
RFC 791
About IPv4
Fourth version of IP using 32-bit addresses (~4.3 billion unique addresses). Still carries the majority of internet traffic.
Network Layer
Other
Standards Reference
IPv4 is defined in RFC 791, published by the Internet Engineering Task Force (IETF). RFCs are the official standards documents for internet protocols and are freely available for public review.